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Home >> Toyota >> 2025 >> RAV4 Plug-In Hybrid XSE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 192 (Front Radar Sensor System - Diagnostic Codes) >> Front Radar Sensor System >> DTC C1A11-00: Front Radar Sensor Optical Axis Misalignment Malfunction [12/2021 - ] >> Procedure

DTC C1A11-00: Front Radar Sensor Optical Axis Misalignment Malfunction [12/2021 - ]: Procedure

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  1. ADJUST MILLIMETER WAVE RADAR SENSOR ASSEMBLY 
    1. Perform millimeter wave radar sensor assembly beam axis adjustment.

      HINT: 

      Beam axis alignment of the millimeter wave radar sensor assembly can be performed using either Triangle Target, Flat Surface Target or Driving Adjustment.

      Triangle Target: Refer to TARGET ADJUSTMENT (TRIANGLE TARGET) [12/2021 - ]

      Flat Surface Target: Refer to TARGET ADJUSTMENT (FLAT SURFACE TARGET) [12/2021 - ]

      Driving Adjustment: Refer to DRIVING ADJUSTMENT [12/2021 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTCs 
    1. Check for DTCs.

      Body Electrical > Front Radar Sensor > Trouble Codes 

      Result

      Result Proceed to
      DTC C1A11-00 is not output A
      DTC C1A11-00 is output B

    Result: 

    A 

    END 

    Result: 

    B 

    REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY. Refer to  REMOVAL [12/2021 - ]